1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/libs/assimp/StringComparison.h	Sat Feb 01 19:58:19 2014 +0200
     1.3 @@ -0,0 +1,219 @@
     1.4 +/*
     1.5 +Open Asset Import Library (assimp)
     1.6 +----------------------------------------------------------------------
     1.7 +
     1.8 +Copyright (c) 2006-2012, assimp team
     1.9 +All rights reserved.
    1.10 +
    1.11 +Redistribution and use of this software in source and binary forms, 
    1.12 +with or without modification, are permitted provided that the 
    1.13 +following conditions are met:
    1.14 +
    1.15 +* Redistributions of source code must retain the above
    1.16 +  copyright notice, this list of conditions and the
    1.17 +  following disclaimer.
    1.18 +
    1.19 +* Redistributions in binary form must reproduce the above
    1.20 +  copyright notice, this list of conditions and the
    1.21 +  following disclaimer in the documentation and/or other
    1.22 +  materials provided with the distribution.
    1.23 +
    1.24 +* Neither the name of the assimp team, nor the names of its
    1.25 +  contributors may be used to endorse or promote products
    1.26 +  derived from this software without specific prior
    1.27 +  written permission of the assimp team.
    1.28 +
    1.29 +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
    1.30 +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
    1.31 +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    1.32 +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
    1.33 +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    1.34 +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
    1.35 +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    1.36 +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
    1.37 +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
    1.38 +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
    1.39 +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    1.40 +
    1.41 +----------------------------------------------------------------------
    1.42 +*/
    1.43 +
    1.44 +/** @file Definition of platform independent string workers:
    1.45 +
    1.46 +   ASSIMP_itoa10
    1.47 +   ASSIMP_stricmp
    1.48 +   ASSIMP_strincmp
    1.49 +
    1.50 +   These functions are not consistently available on all platforms,
    1.51 +   or the provided implementations behave too differently.
    1.52 +*/
    1.53 +#ifndef INCLUDED_AI_STRING_WORKERS_H
    1.54 +#define INCLUDED_AI_STRING_WORKERS_H
    1.55 +
    1.56 +#include "assimp/ai_assert.h"
    1.57 +
    1.58 +namespace Assimp	{
    1.59 +
    1.60 +// -------------------------------------------------------------------------------
    1.61 +/** @brief itoa with a fixed base 10
    1.62 + * 'itoa' is not consistently available on all platforms so it is quite useful
    1.63 + * to have a small replacement function here. No need to use a full sprintf()
    1.64 + * if we just want to print a number ...
    1.65 + * @param out Output buffer
    1.66 + * @param max Maximum number of characters to be written, including '\0'.
    1.67 + *   This parameter may not be 0.
    1.68 + * @param number Number to be written
    1.69 + * @return Length of the output string, excluding the '\0'
    1.70 + */
    1.71 +inline unsigned int ASSIMP_itoa10( char* out, unsigned int max, int32_t number)
    1.72 +{
    1.73 +	ai_assert(NULL != out);
    1.74 +
    1.75 +	// write the unary minus to indicate we have a negative number
    1.76 +	unsigned int written = 1u;
    1.77 +	if (number < 0 && written < max)	{
    1.78 +		*out++ = '-';
    1.79 +		++written;
    1.80 +		number = -number;
    1.81 +	}
    1.82 +
    1.83 +	// We begin with the largest number that is not zero. 
    1.84 +	int32_t cur = 1000000000; // 2147483648
    1.85 +	bool mustPrint = false;
    1.86 +	while (written < max)	{
    1.87 +
    1.88 +		const unsigned int digit = number / cur;
    1.89 +		if (mustPrint || digit > 0 || 1 == cur)	{
    1.90 +			// print all future zeroes from now
    1.91 +			mustPrint = true;	
    1.92 +
    1.93 +			*out++ = '0'+static_cast<char>(digit);
    1.94 +
    1.95 +			++written;
    1.96 +			number -= digit*cur;
    1.97 +			if (1 == cur) {
    1.98 +				break;
    1.99 +			}
   1.100 +		}
   1.101 +		cur /= 10;
   1.102 +	}
   1.103 +
   1.104 +	// append a terminal zero
   1.105 +	*out++ = '\0';
   1.106 +	return written-1;
   1.107 +}
   1.108 +
   1.109 +// -------------------------------------------------------------------------------
   1.110 +/** @brief itoa with a fixed base 10 (Secure template overload)
   1.111 + *  The compiler should choose this function if he or she is able to determine the
   1.112 + *  size of the array automatically.
   1.113 + */
   1.114 +template <size_t length>
   1.115 +inline unsigned int ASSIMP_itoa10( char(& out)[length], int32_t number)
   1.116 +{
   1.117 +	return ASSIMP_itoa10(out,length,number);
   1.118 +}
   1.119 +
   1.120 +// -------------------------------------------------------------------------------
   1.121 +/** @brief Helper function to do platform independent string comparison.
   1.122 + *
   1.123 + *  This is required since stricmp() is not consistently available on
   1.124 + *  all platforms. Some platforms use the '_' prefix, others don't even
   1.125 + *  have such a function. 
   1.126 + *
   1.127 + *  @param s1 First input string
   1.128 + *  @param s2 Second input string
   1.129 + *  @return 0 if the given strings are identical
   1.130 + */
   1.131 +inline int ASSIMP_stricmp(const char *s1, const char *s2)
   1.132 +{
   1.133 +	ai_assert(NULL != s1 && NULL != s2);
   1.134 +
   1.135 +#if (defined _MSC_VER)
   1.136 +
   1.137 +	return ::_stricmp(s1,s2);
   1.138 +#elif defined( __GNUC__ )
   1.139 +	
   1.140 +	return ::strcasecmp(s1,s2);
   1.141 +#else
   1.142 +	
   1.143 +	register char c1, c2;
   1.144 +	do	{
   1.145 +		c1 = tolower(*s1++);
   1.146 +		c2 = tolower(*s2++);
   1.147 +	} 
   1.148 +	while ( c1 && (c1 == c2) );
   1.149 +	return c1 - c2;
   1.150 +#endif
   1.151 +}
   1.152 +
   1.153 +// -------------------------------------------------------------------------------
   1.154 +/** @brief Case independent comparison of two std::strings
   1.155 + *
   1.156 + *  @param a First  string
   1.157 + *  @param b Second string
   1.158 + *  @return 0 if a == b
   1.159 + */
   1.160 +inline int ASSIMP_stricmp(const std::string& a, const std::string& b)
   1.161 +{
   1.162 +	register int i = (int)b.length()-(int)a.length();
   1.163 +	return (i ? i : ASSIMP_stricmp(a.c_str(),b.c_str()));
   1.164 +}
   1.165 +
   1.166 +// -------------------------------------------------------------------------------
   1.167 +/** @brief Helper function to do platform independent string comparison.
   1.168 + *
   1.169 + *  This is required since strincmp() is not consistently available on
   1.170 + *  all platforms. Some platforms use the '_' prefix, others don't even
   1.171 + *  have such a function. 
   1.172 + *
   1.173 + *  @param s1 First input string
   1.174 + *  @param s2 Second input string
   1.175 + *  @param n Macimum number of characters to compare
   1.176 + *  @return 0 if the given strings are identical
   1.177 + */
   1.178 +inline int ASSIMP_strincmp(const char *s1, const char *s2, unsigned int n)
   1.179 +{
   1.180 +	ai_assert(NULL != s1 && NULL != s2);
   1.181 +	if (!n)return 0;
   1.182 +
   1.183 +#if (defined _MSC_VER)
   1.184 +
   1.185 +	return ::_strnicmp(s1,s2,n);
   1.186 +
   1.187 +#elif defined( __GNUC__ )
   1.188 +
   1.189 +	return ::strncasecmp(s1,s2, n);
   1.190 +
   1.191 +#else
   1.192 +	register char c1, c2;
   1.193 +	unsigned int p = 0;
   1.194 +	do 
   1.195 +	{
   1.196 +		if (p++ >= n)return 0;
   1.197 +		c1 = tolower(*s1++);
   1.198 +		c2 = tolower(*s2++);
   1.199 +	} 
   1.200 +	while ( c1 && (c1 == c2) );
   1.201 +
   1.202 +	return c1 - c2;
   1.203 +#endif
   1.204 +}
   1.205 +
   1.206 +
   1.207 +// -------------------------------------------------------------------------------
   1.208 +/** @brief Evaluates an integer power
   1.209 + *
   1.210 + * todo: move somewhere where it fits better in than here 
   1.211 + */
   1.212 +inline unsigned int integer_pow (unsigned int base, unsigned int power)
   1.213 +{
   1.214 +	unsigned int res = 1;
   1.215 +	for (unsigned int i = 0; i < power;++i)
   1.216 +		res *= base;
   1.217 +
   1.218 +	return res;
   1.219 +}
   1.220 +} // end of namespace
   1.221 +
   1.222 +#endif // !  AI_STRINGCOMPARISON_H_INC